https://www.egovcenter.ch/willisau/preview/de/raumreservation/welcome.php?SESSIONCMS=0nmvt4m9klc92fk9vgj7cblvc3&action=none&dz=1714447622&raum_id%5B0%5D=7489&show=belegung&start_date=2024-04-30&view=day01.06.2024 19:09:51